Writing instrument



FIG. 1 is a perspective view of a writing instrument, showing our newdesign;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a perspective view of a second embodiment of our design ofFIG. 1;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a front view thereof; and,

FIG. 10 is a rear view thereof.

The ornamental design for a writing instrument, as shown and described. 